Noah is 'n handelsreisiger wat in die Verenigde State van Amerika (VSA) woon - NSC Mathematical Literacy - Question 5 - 2021 - Paper 2
Question 5
Noah is 'n handelsreisiger wat in die Verenigde State van Amerika (VSA) woon. Hy gebruik 'n kaart om sy reis tyd tussen verskillende stede te bereken.
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Worked Solution & Example Answer:Noah is 'n handelsreisiger wat in die Verenigde State van Amerika (VSA) woon - NSC Mathematical Literacy - Question 5 - 2021 - Paper 2
Step 1
Kies EEN letter (W, X, Y of Z) van die volgende stellings hieronder WAAR maak.
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Answer
Die gemiddelde reistyd tussen Lee en Springfield is 60 myl (X).
Step 2
Watter stad lê suid oos van Boston?
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Answer
Die stad suid oos van Boston is Providence (W).
Step 3
Skryf die werklike afstand (in myl) van Providence na Boston en van Springfield na Worcester neer.
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Die werklike afstand van Providence na Boston is 52 myl, en van Springfield na Worcester is 55 myl.
Step 4
Gee EEN moontlike rede waarom die kaart dieselfde reistyd vir hierdie twee verskillende afstanden toe.
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Die kaart mag nie die verskillende verkeers- en padtoestande in ag neem nie, wat die reistyd kan beïnvloed.
Step 5
Benoem stede A, B, C en D.
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Stede is: A = Portland, B = A, C = B, D = C.
Step 6
Verifieer, met berekening, of sy bewering geldig is.
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Answer
Die totale hoeveelheid brandstof benodigde is 23 gallons = 87,055 liters, wat teen R15,97 per liter R1,392.27 kos. Dit is minder as R1,400. Derhalwe is die bewering geldig.
Step 7
Bepaal (tot die naaste tien) die temperatuur in grade Fahrenheit.
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Answer
Om die temperatuur in Fahrenheit te bereken: F=59×(−7)+32=19.4. Dus, afgerond tot die naaste tien, is dit 20°F.